Biology question and answers for April 06, 2024
- Q An atom s atomic number is 8 and its mass number is 18 How many electrons would that atom have 8 Cannot be determined from this information 10 18
- Q Amongst the choices below only which is the highest level of structural organization organ level organ system level cellular level tissue level
- Q parts and of body parts A is the study of the structure of body A is the study of the function
- Q All of the following are true except one Select the statement that is FALSE regarding positive and or negative feedback Negative feedback is crucial for maintaining homeostasis In negative feedback...
- Q Identify the following errors as systematic or random A micropipet is improperly calibrated and the balance dispensed is always smaller than expected Choose The last digit on a pH meter...
- Q Drag the following unit conversions into the appropriate bin View Available Hint s Convert milliliters to liters Convert kilograms to milligrams Multiply by appropriate factor of 10 Convert meters to...
- Q Starting at the beginning drag and drop the phases of the Scientific Method in order from left to right First step manipulation and analysis of data statement of a hypothesis...
- Q This is one of the fossil record that can be viewed at the Beneski Museum at Amherst College Which type of fossil is this
- Q Predation has been hypothesized as one of the most important driving forces for increasing biodiversity of animals on earth due to escalating arms and race interactic between predators and prey...
- Q B I 9 U S X x I a Organisms with low C value ate mostly C3 plants 8 2 S I lo If the 813C values generally range between...
- Q The adult form of a fungi is a organism that resulted from mitosis A tetraploid B triploid C diploid D haploid
- Q Indicate whether you think each statement is an observation or a hypothesis prediction C4 plants have higher levels of carbon 13 than both living and extinct C3 plants The ratio...
- Q Order the hominin species in the order it first appeared Sorry there are duplicates of Kenyanthropus platypus just rank them both in the order Ardipithecus ramidus Australopithecus anamensis Australopithecus afarensis...
- Q Select all statements that are TRUE More than one answer may be correct Theories and biological principles cannot be proven wrong by new experimental findings Theories link sets of data...
- Q Select all answers that are TRUE regarding Line Graphs More than one answer may be correct View Available Hint s The curve on a line graph should routinely be extended...
- Q Drag the observations into their respective bins View Available Hint s color of a urine sample qualitative observations blood glucose level osmotic pressure of a solution weight of sample liver...
- Q Which of the following is the LEAST important characteristic of a good hypothesis View Available Hint s O Hypotheses must be testable O Hypotheses must be correct predictions O Hypotheses...
- Q 1 Sorting exercises require you to place objects into different categories or bins 2 A bin can remain empty but you must place all objects 3 To start over click...
- Q Sparrows with average sized wings survive severe storms better than those with longer or shorter wings illustrating stabilizing selection neutral variation disruptive selection O the bottleneck effect frequency dependent selection
- Q Natural selection changes allele frequencies because some reproduce more successfully than others Ogene pools individuals Ospecies loci alleles survive and
- Q must happen due to organisms innate desire to survive Orequires the operation of natural selection can happen whenever any of the conditions for Hardy Weinberg equilibrium are not met Orequires...
- Q Thrashers males and females look alike only males sing elaborate songs Males acquire new phrases and elements for their songs each year and can eventually build up a significant vocal...
- Q Besides differences in coloration or ornamentation in what other ways can males and females of a species be dimorphic they make different sounds Otheir body sizes are different they look...
- Q One reason the extreme dimorphism of Birds of Paradise was able to evolve was because Othere were few natural predators in their environment Ohabitat loss forced males to compete more...
- Q Which evolutionary process most likely leads to dimorphism in which males are bigger than females and or have features such as large antlers or tusks female choice O genetic drift...
- Q Listen In red winged blackbirds males and females look very different The males establish and defend the breeding territories Female blackbirds choose the best territories to nest in and the...
- Q In the Birds of Paradise why don t the fancy males just keep getting fancier the females will stop choosing males that are too fancy males with excessive plumage my...
- Q Listen A taxon that includes a common ancestor all descendants of that ancestor and no other organisms is considered to be O polyphyletic Omonophyletic Omonogamous paraphyletic
- Q Listen In a comparison of birds and mammals having four limbs is an example of analogy rather than homology a character useful for sorting bird species Oa shared ancestral character...
- Q Ochoose the tree with the fewest branch points base phylogenetic trees only on the fossil record as this provides the simplest explanation for evolution Ochoose the tree that assumes all...
- Q Which eukaryotic kingdom is polyphyletic and therefore unacceptable based on cladistics Protista Fungi Animalia Monera Plantae
- Q The evolutionary relationship among organisms is known as homoplasy homologous synapomorphy Otaxonomy phylogeny
- Q Which kingdom has been replaced with two domains Fungi Protista Monera Animalia Plantae
- Q Listen Certain fish in the Antarctic Ocean and the Arctic Ocean that are not closely to each other have each evolved natural antifreeze molecules as adaptations to in in the...
- Q Listen Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogs has a very high degree of sequence homology Dogs and wolves...
- Q Listen The common ancestor of all the species displayed in a phylogen it could be any of the above Onode of the tree O tip of the tree root of...
- Q Select the correct answer Specialized cells such as white blood cells interact with foreign particles in the body A particular cell belonging to this category recognizes The foreign particles bacteria...
- Q What is structure 27 on the drawing below DEBRE ectoderm endoderm blastopore blastocoel 25 26 hollow space 27 28 29 hole hollow space
- Q What is structure 25 on the drawing below COOR ectoderm endoderm blastopore blastocoel 25 26 space hollow 27 28 hollow space 29 hole
- Q Which of the following taxa indicated by the bracket is paraphyletic A B C BC DE FGHA BC DE FGH BC C DE F G
- Q seedcracker finches from Cameroon small and large billed birds specialize in cracking soft and hard seeds respectively If long term climatic change resulted in all seeds becoming hard what type...
- Q The only way to eliminate harmful mutations is through natural selection O Mutations occur at random natural selection can preserve and distribute beneficial mutations Natural selection creates beneficial mutations Natural...
- Q The fossil records do not necessary reflect the true biodiversity
- Q Which statement about the beak size of finches on the island of Daphne Major during prolonged drought is true Each bird evolved a deeper stronger beak as the drought persisted...
- Q Most Swiss starlings produce four to five eggs in each clutch Starlings producing fewer or more than this have reduced fitness Which of the following terms best describes this situation...
- Q Which of the following is a true statement concerning genetic variation It must be present in a population before natural selection can act upon the population It is created by...
- Q In terms of the evolution of animal body plans bilateral symmetry and what other trait appear together on the phylogeny mesoderm sexual reproduction a body cavity any type complete digestive...
- Q retory structures in an earthworm are Malpighian tubules metanephridia the intestines green glands Question 2 1 point Listen Saved The kidneys connect to the aorta via the ureters
- Q Which heart chamber receives blood coming back from the lungs right atrium right ventricle left atrium left ventricle
- Q HOW WE SEE THE INVISIBLE WORLD customized Drag and drop each statement to determine the type of slide preparation treatment it is involved in Wet Mount Categorize options by drag...
- Q To a female a male that has bright colors a good song and elaborate dance moves is O one that was able to find good food sources to eat free...
- Q A colleague asks you to interpret an acid fast stain on a patient s sputum sample What is your interpretation The patient does NOT have a mycobacterium infection There are...
- Q A Most but not all protists are uni cellular and lack peptido glycan B DNA C
- Q A researcher is trying to determine how to stop the transcription of a gene found in hu mans involved in cell growth The researcher wants to stop the binding of...
- Q Which of the following characteristics gives nucleic acids such as DNA and RNA the ability to be used as the hereditary material for all living organisms Select all that apply...
- Q Most but not all protists are cellular and lack B C
- Q Multicellular organisms contain various types of cells such as muscle cells brain cells and epithelial cells Which of the following is true of the various cell types in a multicellular...
- Q A scientist wants to modify the DNA of a plant so that the plant expresses a gene that will allow the plant to become resistant to certain plant viruses Which...
- Q It was discovered that certain cellular processes could lead to aging in humans A scientist is trying to discover how to prevent aging in humans Which of the following is...
- Q Read the scenario given below Recall that the GFP gene or green fluorescent protein gene is the gene that gives jellyfish the ability to glow A scientist observed that some...
- Q A sequence of nucleotides found in the DNA of house cats Felis catus codes for tail length A mutation in the gene can result in a shortened tail If a...
- Q A scientist has extracted DNA from a specimen of an ancient rodent Which of the following techniques can be used to amplify the DNA of the rodent so that it...
- Q Which of the following Identifies the mechanism by which a single transcribed DNA se quence can code for more than one polypeptide A transcriptional control B C alternative splicing translational...
- Q A police officer is Investigating a crime scene when she discovers a drop of blood on the window where the criminal broke the window of a house open The officer...
- Q Malaria is caused by a protist that uses the mosquito as a A parasite C vector B food source D breeding ground
- Q gen can be seen below Estrogen is a substance that promotes the development of reproductive organs in female animals Estrogen is secreted by the ovary and placenta of female animals...
- Q A molecular biologist is researching the expression of a protein essential to plant growth The biologist observes how the rate of transcription is changed in four plant cells based on...
- Q The lac operon is an inducible operon that consists of regulatory regions such as a pro moter region along with three structural genes lacz lacy and lacA The three structural...
- Q The trp operon is a repressible operon found in prokaryotes The operator sequence in a specific bacterial cell contains a mutation that stops the repressor protein from binding to the...
- Q A researcher finds that prokaryotic cells can express genes in significantly less time than that required by eukaryotic cells Which of the following identifies a reason why prokaryotic cells may...
- Q During transcription DNA is transcribed into mRNA The two strands of DNA must be sepa rated and then one of the strands of DNA is used to create the single...
- Q Which of the following statements are true concerning posttranscriptional modifications L Spliceosomes remove exons from the transcript and splice together the introns II A 5 cap is added to provide...
- Q Which of the following explains a difference in gene expression between a eukaryotic and a prokaryotic cell A B C D An mRNA strand in a eukaryotic cell is only...
- Q During DNA replication Okazaki fragments are formed when synthesizing one of the strands of DNA Which statement correctly identifies Okazaki fragments and how they are formed A Okazaki fragments are...
- Q Which of the following statements about genetic information is true 1 Plasmids may contain information to increase the survival of an organism II Eukaryotic DNA is found in circular chromosomes...
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